Principal Test Engineer - Clinical Software & LC-MS

LabRulez; United Kingdom; Hybrid; GBP 85,000 - 110,000; Full time

Benefits offered by this job

Competitive salary

Flexible working arrangements

25 days’ annual leave

Generous employer pension contribution

Life assurance

Income protection

Private medical insurance

Job summary

Waters Corporation is seeking a Principal Test Engineer to lead testing and verification of software-controlled LC-MS instrumentation and clinical workflows. The role collaborates with software, hardware, and systems engineers to ensure reliability, cybersecurity, and regulatory compliance across products.

Candidates with extensive experience in analytical instrumentation, laboratory informatics, and quality management will thrive in Waters' regulated development environment and diverse

Qualifications

• Extensive experience with LC-MS instrumentation, chromatography systems, MS workflows.
• Extensive experience testing instrument control software, acquisition software, or integrated laboratory informatics systems.

Responsibilities

• Define and champion testing strategies, quality engineering practices, and validation approaches across multiple development teams.
• Design, develop, maintain, and execute manual and automated tests for clinical software products and platforms.
• Lead system-level testing activities for software-controlled LC-MS instrumentation and associated laboratory workflows.
• Collaborate with software, systems, hardware, and product engineering teams to verify end-to-end system behaviour, performance, reliability, and intended use.
• Drive continuous improvement in test automation, test infrastructure, tooling, and engineering processes.
• Investigate complex issues spanning software, instrumentation, data acquisition, and system integration.
• Act as a technical authority for testing approaches, engineering best practices, and system-level test strategies.
• Support risk management activities, defect investigations, and root cause analysis.
• Contribute to cybersecurity testing activities and help ensure products are developed with security and resilience in mind.
• Mentor engineers and testers, promoting best practices and fostering technical growth across the organisation.
• Work within a regulated quality management system to support the development of clinical and IVD products.

Skills

LC-MS instrumentation

Chromatography systems

Mass spectrometry workflows

Instrument control software testing

Acquisition software testing

Laboratory informatics systems testing

Education

Degree in Computer Science, Engineering, Physical Sciences, Analytical Sciences, or related discipline

Job description

Waters Corporation is seeking a Principal Test Engineer to lead testing and verification of software-controlled LC-MS instrumentation and clinical workflows. The role collaborates with software, hardware, and systems engineers to ensure reliability, cybersecurity, and regulatory compliance across products.

Candidates with extensive experience in analytical instrumentation, laboratory informatics, and quality management will thrive in Waters' regulated development environment and diverse